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Common Names		A-B •• C •• D-G •• H-M •• N-R •• S-T •• U-Z
Scientific Names		A-B •• C-D •• E-H •• I-O •• P-R •• S-Z

COMMON NAME	Scientific name	Family
California burclover	Medicago polymorpha	Fabaceae
Calla lily	Zantedeschia aethiopica	Araceae
Camelthorn	Alhagi pseudalhagi	Fabaceae
Canada thistle	Cirsium arvense	Asteraceae
Canary Island date palm	Phoenix canariensis	Arecaceae
Canary Island hypericum	Hypericum canariensis	Clusiaceae or Hypericaceae
Cape-ivy	Delairea odorata	Asteraceae
Capeweed	Arctotheca calendula	Asteraceae
Carnation spurge	Euphorbia terracina	Euphorbiaceae
Castorbean	Ricinus communis	Euphorbiaceae
Catalpa	Catalpa bignonioides	Bignoniaceae
Cattails	Typha spp.	Typhaceae
Chara	Chara spp.	Characeae
Cheatgrass	Bromus tectorum	Poaceae
Cherry plum	Prunus cerasifera	Rosaceae
Chicory	Cichorium intybus	Asteraceae
Chinese tallowtree	Sapium sebiferum	Euphorbiaceae
Clasping pepperweed	Lepidium perfoliatum	Brassicaceae
Coast fiddleneck	Amsinckia menziesii var. intermedia	Boraginaceae
Common caraway	Carum carvi	Apiaceae
Common catsear	Hypochaeris radicata	Asteraceae
Common cocklebur	Xanthium strumarium	Asteraceae
Common crupina	Crupina vulgaris	Asteraceae
Common elodea	Elodea canadensis	Hydrocharitaceae
Common lambsquarter	Chenopodium album	Chenopodiaceae
Common mallow	Malva neglecta	Malvaceae
Common mullein	Verbascum thapsus	Scrophulariaceae
Common pokeweed	Phytolacca americana	Phytolaccaceae
Common ragweed	Ambrosia artemisiifolia	Asteraceae
Common reed	Phragmites australis	Poaceae
Common rye	Secale cereale	Poaceae
Common St. Johnswort	Hypericum perforatum	Clusiaceae or Hypericaceae
Common sunflower	Helianthus annuus	Asteraceae
Common tansy	Tanacetum vulgare	Asteraceae
Common teasel	Dipsacus fullonum	Dipsacaceae
Common velvetgrass	Holcus lanatus	Poaceae
Coontail	Ceratophyllum demersum	Ceratophyllaceae
Cordgrasses	Spartinaspp.	Poaceae
Cotoneasters	Cotoneaster spp.	Rosaceae
Creeping bentgrass	Agrostis stolonifera	Poaceae
Creeping buttercup	Ranunculus repens	Ranunculaceae
Crimson fountaingrass	Pennisetum setaceum	Poaceae
Crocosmia	Crocosmia x crocosmiflora	Iridaceae
Croftonweed	Ageratina adenophora	Asteraceae
Crowndaisy	Chrysanthemum coronarium	Asteraceae
Curly dock	Rumex crispus	Polygonaceae
Curlyleaf pondweed	Potamogeton crispus	Potamogetonaceae
Cutleaf geranium	Geranium dissectum	Geraniaceae
Cutleaf teasel	Dipsacus laciniatus	Dipsacaceae